高三语法复习专题-情态动词的用法

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1、语法专题情态动词的用法1.考点点击:情态动词主要用来表示说话人的看法、态度等,它是每年高考必考内容.2.命题热点:情态动词的基本用法,表示态度、推测的用法以及在虚拟语气中的运用.3.考查形式:主要体现在听力理解、单项填空和完形填空中.一、情态动词命题特点:(1)--CouldIborrowyourbook?--Yes.Ofcourseyou____.(2)--Wouldyouliketodoitforme?--Yes.I______________.(3)--Musthegetreadynow?--No,he__________________________.二、情态动词注意事项

2、:1.特殊回答canwouldliketoneedn’t/doesn’thaveto(1)对现在或将来情况推测：must+动词原形,只能用于肯定;否定和疑问分别用can’t和can。--Isn’tthatAnn’shusbandoverthere?--No,it_______behim---I’msurehedoesn’twearglasses.can’tB.mustnotC.won’tD.maynot*must-should/oughtto–may-might/could+do可能性依次减弱2、推测语气ASeewho’sthere!_______itbeMary?A.MayB.M

3、ustC.CanD.willC(2)对过去情况推测：must(may,might)+完成时只能用于肯定句。can’t/couldn’t和can/could+完成时分别用于否定和疑问句。--Therewerealreadyfivepeopleinthecarbuttheymanagedtotakemeaswell.--It____acomfortablejourney.()A.can'tbeB.shouldn'tbeC.mustn'thavebeenD.couldn'thavebeenDHemustbereading,____he?Youmustdoityourself,____yo

4、u?Hemusthavegoneoverthearticle,______he?Itmusthaverainedlastnight,_____it?3、表猜测语气的反意疑问句的构成isn’tdon’thasn’tdidn’twouldneedusedtododaremustn’tdon’thaveto=needn’tmay/mightaswelldosth.不妨…;还是…为好改错:Luckily,theycouldescapefromtheburninghousewiththefiremen’shelp.4.辩析beabletomustcanhavetowereabletoShe_

5、____outaloneatnight.()A.darenottogoB.daresnotgoC.doesn’tdaretogoD.doesn’tdaresgoC1)用于第一人称表将来。2)用于一,三人称疑问句,表征求对方意见或向对方请求。3用于二、三人称，表示保证、承诺、威胁、警告。Youshallbepunishedifyougoondoingitthisway.(表示警告)IshallgotoworkafterIhavefinishedschool.(表示将来)--Shallhecomein?--Comein,please.(表示征求对方意见)5、shallTom’sfath

6、erpromised,“You___haveanewcomputerifyoupassthecomingexamination,”()A.canB.shouldC.shallD.mayC1）表示“预测、可能”2）表示说话人的感情(惊奇、愤怒、失望等)“竟然”翻译:Theyshouldbeherebynow.Youcan’timaginethatthewell-educatedgentlemanshouldbesorudetoalady.6、should------WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.-----The

7、y_____bereadyby12:00.()A.canB.shouldC.mightD.needBYououghttohavehelpedhimwithhisEnglish,____you?A.won’tyouB.oughtnotyouC.shouldn’tyouD.wouldn’tyouC1）对过去情况推测。肯定:must/may/mighthavedone否定:can’t/couldn’t/maynot/mightnothavedone疑问:can/couldh